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Chem Finals Numbers
Numbers to know on final exam
| Question | Answer |
|---|---|
| no more than this percent of daily calories from fats | 30 |
| number of diatomic elements on the periodic table | 7 |
| the molar mass of oxygen in grams | 32 |
| the molar mass of carbon in grams | 12 |
| number of calories per day for average person | 2000 |
| Noble gases are group ___A | 8 |
| Alkali Earth metals are group __A | 2 |
| number of periods on the periodic table | 7 |
| number of groups/families on the periodic table | 18 |
| Halogens are group __A | 7 |
| The coefficient needed to balance the equation for photosynthesis and cellular respiration | 6 |
| The number of neutrons that hydrogen has | 0 |
| The number of phases in a homogeneous mixture | 1 |